18858374302 has 4 divisors (see below), whose sum is σ = 28287561456. Its totient is φ = 9429187150.

The previous prime is 18858374281. The next prime is 18858374303. The reversal of 18858374302 is 20347385881.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18858374303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4714593574 + ... + 4714593577.

It is an arithmetic number, because the mean of its divisors is an integer number (7071890364).

Almost surely, 2^18858374302 is an apocalyptic number.

18858374302 is a deficient number, since it is larger than the sum of its proper divisors (9429187154).

18858374302 is an equidigital number, since it uses as much as digits as its factorization.

18858374302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9429187153.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 18858374302 in words is "eighteen billion, eight hundred fifty-eight million, three hundred seventy-four thousand, three hundred two".